Accident Sequence
Witnesses observed the airplane maneuvering at low altitude for several minutes. It then pitched up abruptly, entered a steep right bank, and descended into terrain.
Postaccident Examination
According to witnesses and the postaccident examination, there was no indication of preimpact airframe or engine malfunction.
Pilot Background
The pilot's certificate had been revoked in 1979. His most recent logged flight was a biennial flight review in November 1974.
Medical Findings
Records indicate that the pilot had a diabetic condition which dated back to 1974. The autopsy revealed: "Old anterolateral and posterior wall myocardial infarcts. Up to 90% occlusive coronary artery atherosclerosis." The pilot's briefcase contained one bottle Glucostix, one small can orange juice, and prescription medications as follows: Cardizem CD (240 mg), Voltaren (75 mg), Humulin HI310 (10 ml), and Vasotec (10 mg).